NC0003191_Annual Report_20210426

INTERNATIONAL PAPER
International Paper Company
New Bern Mill
1785 Weyerhaeuser Road
Vanceboro, NC 28586
March 19, 2021 RECEIVED
ATTN: Central Files
262021
Division of Water Quality DEQ
1617 Mail Service Center NCDEQ/DWR/NPDES
Raleigh, NC 27699-1617
Subject: 2020 Annual BMP Report for International Paper Company New Bern Mill
Please find enclosed the required International Paper Company, New Bern Mill Annual Best
Management Plan report. Submission of this report is required annually by March 31 of the
following year as stated in our NPDES Permit No. NC0003191.
The mill updated the method for action levels and daily monitoring in 2020:
BMP Lower & Upper Action Levels
LAL: 3 consecutive days >152,701 lb UAL: >177,764 lb COD/day Previous action levels
COD/day (1/1/2020-6/30/2020)
LAL: Alkaline 7-day average cond. UAL: Alkaline 7-day average cond.
(>2,455 pmhos) or (>3,220 pmhos) or
Acid 7-day average cond. (>4,247 Acid 7-day average cond. (>5,406 New action levels
pmhos) pmhos) (7/1/2020-12/31/2020)
& &
>127,693 lb COD/day >154,240 lb COD/day
Should you have any questions or comments about this report, please contact A.J. Golding at
252-633-7231 or electronically at [e-mail].
Sincerely,
Adam Miklos
Mill Manager

f
BMP Annual Report 2020
Lower & Upper Action Levels
LAL: 3 consecutive days>152,701 lb COD/day UAL: >177,764 lb COD/day
1/1/2020-6/30/2020
LAL: Alkaline 7-day average cond. (>2,455 UAL:Alkaline 7-day average cond. (>3,220
µmhos)or µmhos)or
Acid 7-day average cond.(>4,247 µmhos) Acid 7-day average cond. (>5,406 µmhos) 7/1/2020-12/31/2020
& &
>127,693 lb COD/day >154,240 lb COD/day
Alkaline Sewer Acid Sewer
COD
Date 7-Day Average 7-Day Average Comments
(lbs./Day)
(µmhos) (µmhos)
1/1/2020 1242 1056 137,488
1/2/2020 1254 1427 155,688
1/3/2020 1258 1380 133,472
1/4/2020 1256 1347
1/5/2020 1306 1326
1/6/2020 1360 1390 114,050
1/7/2020 1375 1475 120,612
1/8/2020 1372 1226 109,352
1/9/2020 1355 804 122,978
1/10/2020 1371 751 137,204
1/11/2020 1395 691
1/12/2020 1366 626
1/13/2020 1489 487 131,502
1/14/2020 1735 319 159,945
1/15/2020 1737 217 151,153
1/16/2020 1896 243 97,065
1/17/2020 1893 270 124,012
1/18/2020 1875 294
1/19/2020 1880 314
1/20/2020 1734 334 121,220
1/21/2020 1438 359 120,565
1/22/2020 1379 366 120,632
1/23/2020 1193 350 118,226
1/24/2020 1316 379 121,498
1/25/2020 1407 391

1/26/2020 1497 405
1/27/2020 1571 397 138,388
1/28/2020 1644 412 141,053
1/29/2020 1730 411 106,421
1/30/2020 1813 393 119,688
1/31/2020 1731 350 141,803
2/1/2020 1766 328
2/2/2020 1702 314
2/3/2020 1673 313 146,975 1
2/4/2020 1636 637 154,816
2/5/2020 1586 1101 150,050
2/6/2020 1619 1565 143,656
2/7/2020 1606 1983 145,964
2/8/2020 1536 2410
2/9/2020 1522 2779
2/10/2020 1510 3155 105,575
2/11/2020 1519 3264 106,987
2/12/2020 1549 3248 124,939
2/13/2020 1449 3153 103,556
2/14/2020 1462 3082 101,130
2/15/2020 1464 2930
2/16/2020 1524 2854
2/17/2020 1517 2790 121,578
2/18/2020 1590 2745 160,397
2/19/2020 1592 2715 139,721
2/20/2020 1633 2740 123,603
2/21/2020 1643 2848 121,905
2/22/2020 1661 3122
2/23/2020 1632 3401
2/24/2020 1615 3427 159,975
2/25/2020 1523 3393 110,533
2/26/2020 1507 3394 117,157
2/27/2020 1509 3395 123,824
2/28/2020 1488 3407 115,279
2/29/2020 1461 3305
3/1/2020 1414 3186

3/2/2020 1410 3299 108,281
3/3/2020 1441 3356 113,055
3/4/2020 1472 3486 126,477
3/5/2020 1506 3564 133,487
3/6/2020 1523 3422 138,784
3/7/2020 1537 3267
3/8/2020 1566 3127
3/9/2020 1607 3128 167,621
3/10/2020 1584 3203 147,679
3/11/2020 1558 3169 121,329
3/12/2020 1512 3239 139,348
3/13/2020 1465 3323 79,752
3/14/2020 1431 3533
3/15/2020 1373 3696
3/16/2020 1325 3748 107,694
3/17/2020 1315 3847 112,741
3/18/2020 1274 3685 114,188
3/19/2020 1238 3543 88,621
3/20/2020 1233 3561 95,388
3/21/2020 1230 3534
3/22/2020 1265 3506
3/23/2020 1271 3453 101,478
3/24/2020 1262 3277 106,333
3/25/2020 1267 3313 98,191
3/26/2020 1293 3329 94,891
3/27/2020 1318 3184 103,715
3/28/2020 1319 3007
3/29/2020 1312 2923
3/30/2020 1329 2909 119,899
3/31/2020 1327 2984 118,449
4/1/2020 1387 3054 114,685 1
4/2/2020 1533 2889 106,087
4/3/2020 1484 3003 120,512
4/4/2020 1468 3153
4/5/2020 1434 3213
4/6/2020 1624 3233 115,661
4/7/2020 2202 2995 128,773

4/8/2020 2159 2906 98,899
4/9/2020 1933 3043 51,918
4/10/2020 1917 2873 79,805
4/11/2020 2077 3031
4/12/2020 2027 2837
4/13/2020 1748 2641 84,823
4/14/2020 1106 2666 96,355
4/15/2020 1094 2506 88,341
4/16/2020 1127 2412 103,766
4/17/2020 1155 2498 103,722
4/18/2020 985 2213
4/19/2020 1049 2374
4/20/2020 1120 2576 96,986
4/21/2020 1235 2730 80,322
4/22/2020 1281 2973 92,135
4/23/2020 1387 3168 102,132
4/24/2020 1473 3332 86,355
4/25/2020 1569 3473
4/26/2020 1627 3530
4/27/2020 1684 3561 105,061
4/28/2020 1650 3575 93,815
4/29/2020 1614 3424 91,842
4/30/2020 1545 3206 86,519
5/1/2020 1460 3041 107,824
5/2/2020 1376 2887
5/3/2020 1311 2854
5/4/2020 1254 2855 97,542
5/5/2020 1272 2888 102,446
5/6/2020 1322 3089 101,730
5/7/2020 1429 3280 102,985
5/8/2020 1510 3440 100,142
5/9/2020 1581 3554
5/10/2020 1605 3519
5/11/2020 1611 3322 99,627
5/12/2020 1650 3115 105,150
5/13/2020 1610 2905 108,522
5/14/2020 1530 2772 101,567

5/15/2020 1493 2861 112,125
5/16/2020 1493 3016
5/17/2020 1505 3311
5/18/2020 1617 3516 118,856
5/19/2020 1591 3695 117,249
5/20/2020 1616 3866 95,577
5/21/2020 1577 4081 82,919
5/22/2020 1531 4056 94,081
5/23/2020 1466 4017
5/24/2020 1441 3893
5/25/2020 1352 3993
5/26/2020 1296 3970 106,871
5/27/2020 1266 3849 106,042
5/28/2020 1294 3708 91,624
5/29/2020 1286 3675 102,634
5/30/2020 1287 3661
5/31/2020 1284 3571
6/1/2020 1256 3342 90,582 ,
6/2/2020 1247 3242 85,456
6/3/2020 1238 3245 95,386
6/4/2020 1239 3221 102,659
6/5/2020 1278 3148 95,578
6/6/2020 1268 3143
6/7/2020 1296 3415
6/8/2020 1275 3666 105,705
6/9/2020 1302 4078 86,002
6/10/2020 1320 4390 96,363 Investigation of elevated
6/11/2020 1321 4574 96,579 conductivity determined
that cause of elevated
6/12/2020 1284 4771 94,927 conductivity was not BMP
6/13/2020 1302 4873 related. COD not elevated.
6/14/2020 1286 4960 Reviewed during morning
6/15/2020 1295 4818 87,382 meeting each day.
6/16/2020 1272 4490 95,013
6/17/2020 1240 4275 83,496
6/18/2020 1294 4167 83,568
6/19/2020 1311 4060 84,215
6/20/2020 1303 3964

6/21/2020 1298 3712
6/22/2020 1323 3832 89,798
6/23/2020 1341 4037 112,680
6/24/2020 1352 4174 105,616
6/25/2020 1277 4463 107,716 Investigation of elevated
6/26/2020 1265 4745 98,190 conductivity determined
that cause of elevated
6/27/2020 1265 5036 conductivity was not BMP
6/28/2020 1239 5215 related. COD not elevated.
6/29/2020 1189 5357 80,385 Reviewed during morning
6/30/2020 1122 5387 81,795 meeting each day.
7/1/2020 1120 5405 68,122
7/2/2020 1136 5293 92,731
7/3/2020 1157 5129
7/4/2020 1172 4903
7/5/2020 1187 4848
7/6/2020 1198 4979 85,064
7/7/2020 1250 5181 81,367
7/8/2020 1264 5276 82,738
7/9/2020 1289 5542 77,559
7/10/2020 1285 5788 102,020
7/11/2020 1287 6001
7/12/2020 1407 5964
7/13/2020 1392 5612 107,692
7/14/2020 1354 5255 107,219
7/15/2020 1312 5101 80,068
7/16/2020 1264 4852 71,561
7/17/2020 1255 4529 83,755
7/18/2020 1219 4270
7/19/2020 1117 4139
7/20/2020 1144 4107 82,382
7/21/2020 1156 4054 83,568
7/22/2020 1165 3994 80,677
7/23/2020 1169 3965 74,357
7/24/2020 1145 4029 95,041
7/25/2020 1154 4064
7/26/2020 1144 4150
7/27/2020 1143 4431 78,501 Investigation of elevated
7/28/2020 1144 4796 77,591 conductivity determined

llidl LdUC UI CICVdleU
7/29/2020 1127 5053 83,907 conductivity was not BMP
7/30/2020 1133 5245 74,726 related. COD not elevated.
7/31/2020 1142 5487 77,439 Reviewed during morning
8/1/2020 1140 5745 meeting each day.
8/2/2020 1146 5848
8/3/2020 1149 5480 86,649
8/4/2020 1181 4996 80,027
8/5/2020 1221 4608 94,813
8/6/2020 1330 4134 92,939
8/7/2020 1669 4064 117,391
Conductivity elevated; COD
not elevated. Shutdown -
tank draining. Black liquor
collected in BMP Collection
Tank. Organic loading to
WWTP reduced, all
available aeration utilized,
and recirculation pump was
used in response. Reviewed
during morning meeting.
8/8/2020 2326 4293
8/9/2020 2284 4149
8/10/2020 2153 4549 31,420 Conductivity elevated; COD
-
8/11/2020 2125 4779 2,931 not elevated. Shutdown
tank draining. Black liquor
8/12/2020 2283 5260 collected in BMP Collection
8/13/2020 2393 5343 Tank. Mill down for
shutdown. Reviewed during
morning meeting each day.
8/14/2020 2114 4666
8/15/2020 1332 3979
8/16/2020 1261 3832
8/17/2020 1408 3984 5,064
8/18/2020 1331 4361 9,835 Conductivity elevated; COD
not elevated. Shutdown -
RB acid cleaning. Reviewed
during morning meeting
each day.
8/19/2020 1012 4374 7,419
8/20/2020 643 4101 23,328

8/21/2020 520 4117 21,734
8/22/2020 568 3757
8/23/2020 611 3665
8/24/2020 573 3428 27,263
8/25/2020 582 2633 49,619
8/26/2020 726 2001 57,671
COD elevated; conductivity
not elevated. Mill startup.
Organic loading to WWTP
8/27/2020 983 2343 132,539 reduced, all available
aeration utilized, and
recirculation pump was
used in response. Reviewed
during morning meeting
each day.
8/28/2020 1104 2506 169,415
8/29/2020 1158 2693
8/30/2020 1214 2588
8/31/2020 1244 2210 89,031
9/1/2020 1339 2237 127,062
9/2/2020 1357 2241 66,330
9/3/2020 1251 1975 77,859
9/4/2020 1196 1950 96,843
9/5/2020 1245 2010
9/6/2020 1228 2047
9/7/2020 1160 1938
9/8/2020 1088 2006 70,628
9/9/2020 1012 2000 68,521
9/10/2020 952 2053 78,596
9/11/2020 914 2203 93,751
9/12/2020 870 2362
9/13/2020 871 2500
9/14/2020 888 2655 91,554
9/15/2020 904 2802 95,918
9/16/2020 929 2955 95,504
9/17/2020 951 3059 86,186
9/18/2020 957 3074 81,773
9/19/2020 947 3055

9/20/2020 943 2952
9/21/2020 965 2851 80,448
9/22/2020 993 2790 77,665
9/23/2020 1039 2703 95,134
9/24/2020 1085 2607 73,959
9/25/2020 1127 2464 81,758
9/26/2020 1140 2511
9/27/2020 1189 2664
9/28/2020 1186 2754 103,928
9/29/2020 1193 2821 89,223
9/30/2020 1189 2969 84,748
10/1/2020 1186 3150 89,131
10/2/2020 1177 3338 83,604
10/3/2020 1245 3188
10/4/2020 1206 3128
10/5/2020 1202 3159 102,091
10/6/2020 1198 3094 98,721
10/7/2020 1167 3058 89,958
10/8/2020 1188 3118 64,311
10/9/2020 1192 3022 92,210
10/10/2020 1150 3195
10/11/2020 1155 3206
10/12/2020 1162 3133 93,562
10/13/2020 1155 3174 82,748
10/14/2020 1159 3197 80,585
10/15/2020 1117 3129 106,235
10/16/2020 1096 3193 85,408
10/17/2020 1113 3289
10/18/2020 1142 3378
10/19/2020 1155 3367 85,316
10/20/2020 1181 3298 95,139
10/21/2020 1193 3209 84,437
10/22/2020 1240 3046 84,861
10/23/2020 1266 2953 82,006
10/24/2020 1216 2796
10/25/2020 1157 2722
10/26/2020 1163 2979 63,783

10/27/2020 1176 3161 85,899
10/28/2020 1170 3320 100,130
10/29/2020 1127 3489 100,593
10/30/2020 1103 3566 67,559
10/31/2020 1127 3597
11/1/2020 1150 3575
11/2/2020 1108 3334 63,586
11/3/2020 1089 3287 66,616
11/4/2020 1090 3189 70,031
11/5/2020 1057 2966 102,107
11/6/2020 1030 2795 63,851
11/7/2020 1009 2559
11/8/2020 993 2494
11/9/2020 1113 2502 67,241
11/10/2020 1122 2264 86,636
11/11/2020 1084 2010 94,489
Upset conditions. COD
elevated; conductivity not
elevated. Mill operations
restored. Black liquor
collected in BMP Collection
Tank. Organic loading to
WWTP reduced, all
available aeration utilized,
and recirculation pump was
used in response. Reviewed
during morning meeting.
11/12/2020 1073 1967 142,887
11/13/2020 1151 _ 1845 51,036
11/14/2020 1208 2155
11/15/2020 1236 1973
11/16/2020 1179 1718 68,139
11/17/2020 1195 1519 59,319
11/18/2020 1269 1344 66,136
11/19/2020 1350 1628 73,652
11/20/2020 1325 1816 74,089
11/21/2020 1313 1676
11/22/2020 1271 1724
11/23/2020 1282 1837 101,968

11/24/2020 1261 2040 60,126
11/25/2020 1208 2250 80,117
11/26/2020 1155 2028
11/27/2020 1122 2080
11/28/2020 1130 2121
11/29/2020 1208 2310
11/30/2020 1220 2480 97,488
12/1/2020 1257 2591 93,281
12/2/2020 1271 2716 61,324
12/3/2020 1288 2847 70,214
12/4/2020 1341 2934 64,181
12/5/2020 1376 2951
12/6/2020 1344 2894
12/7/2020 1288 2832 65,205
12/8/2020 1241 2822 62,200
12/9/2020 1222 2841 57,648
12/10/2020 1200 2741 65,493
12/11/2020 1104 2586 102,847
12/12/2020 1004 2676
12/13/2020 998 2688
12/14/2020 984 2748 58,627
12/15/2020 972 2875 61,264
12/16/2020 964 2931 77,978
12/17/2020 1013 2966 71,310
12/18/2020 1049 2966 78,435
12/19/2020 1074 2696
12/20/2020 1047 2535
12/21/2020 1046 2363 104,611
12/22/2020 1030 2129 105,209
12/23/2020 1035 1931 71,991
12/24/2020 1015 1795
12/25/2020 1018 1724
12/26/2020 999 1707
12/27/2020 994 1833
12/28/2020 1003 1985 72,199
12/29/2020 1076 2137 88,653
12/30/2020 1154 2311 85,543

12/31/2020 1157 2461 101,916
I -